Chessmaster

The world's most-respected chess program invites everyone to play history’s greatest game. With over 4 million sold, Chessmaster has become the perfect chess companion for all age groups, and skill levels. * 16 difficulty levels to challenge Beginners to Grandmasters * Various styles of play offer more depths for Experts * 2 player mode

The most powerful chess program for the Game Boy™ Color System!

Source:

Back of Box - Game Boy Color (EU)